Enable stop backtrace past a zero pc.

gdb.spec

@@ -6,7 +6,7 @@ Summary: A GNU source-level debugger for C, C++ and other languages.
 Name: gdb
 # Daily snapshot of gdb taken from FSF mainline cvs, after the 6.1 branchpoint.
 Version: 6.1post
-Release: 1.%{cvsdate}.32
+Release: 1.%{cvsdate}.33
 License: GPL
 Group: Development/Debuggers
 Source: ftp://sources.redhat.com/pub/gdb/snapshots/current/gdb+dejagnu-20040607.tar.bz2
@@ -50,6 +50,7 @@ Patch20: gdb-6.1post-abi-ppc64-jun2004.patch
 Patch21: gdb-6.1post-abi-ppc64syscall-jun2004.patch
 Patch22: gdb-6.1post-abi-wildframe-jun2004.patch
 Patch23: gdb-6.1post-abi-ppc64main-aug2004.patch
+Patch24: gdb-6.1post-frame-zeropc-sep2004.patch
 
 ###### Testsuite merge, fixes, and local RH hack
 Patch30: gdb-6.1post-test-merge-20040923.patch
@@ -127,6 +128,7 @@ printing their data.
 %patch21 -p1
 %patch22 -p1
 %patch23 -p1
+%patch24 -p1
 
 %patch30 -p1
 %patch31 -p1
@@ -323,6 +325,9 @@ fi
 # don't include the files in include, they are part of binutils
 
 %changelog
+* Mon Sep 27 2004 Andrew Cagney <cagney@redhat.com>	1.200400607.33
+- Don't unwind past a zero PC (when normal frames).
+
 * Mon Sep 27 2004 Jeff Johnston  <jjohnstn@redhat.com>	1.200400607.32
 - Add threaded watchpoint support for x86, x86-64, and ia64.